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Finding the Fourth Proportional to 16,506.88, 24,748.01 and 9,931.53

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Solution

The fourth proportional to 16,506.88, 24,748.01 and 9,931.53 is: 14,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,506.88 : 24,748.01 = 9,931.53 : x
  2. Step 2: Convert to fraction form
    16,506.88/24,748.01 = 9,931.53/x
  3. Step 3: Cross multiply
    16,506.88x = 24,748.01 × 9,931.53
  4. Step 4: Simplify right side
    16,506.88x = 245,785,603.76
  5. Step 5: Solve for x
    x = 245,785,603.76/16,506.88
  6. Step 6: Final answer
    x = 14,889.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.